Home / 7,217,959.33-9,960,402.49-4,120,359.76

Finding the Fourth Proportional to 7,217,959.33, 9,960,402.49 and 4,120,359.76

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Solution

The fourth proportional to 7,217,959.33, 9,960,402.49 and 4,120,359.76 is: 5,685,878.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217,959.33 : 9,960,402.49 = 4,120,359.76 : x
  2. Step 2: Convert to fraction form
    7,217,959.33/9,960,402.49 = 4,120,359.76/x
  3. Step 3: Cross multiply
    7,217,959.33x = 9,960,402.49 × 4,120,359.76
  4. Step 4: Simplify right side
    7,217,959.33x = 41,040,441,613,199.80
  5. Step 5: Solve for x
    x = 41,040,441,613,199.80/7,217,959.33
  6. Step 6: Final answer
    x = 5,685,878.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.